Woven bag double-sided printing turn-over device

By introducing structures such as bidirectional threaded rods and guide frames into the double-sided printing device of woven bags, the problem of offset during the turning of woven bags is solved, the woven bags can be turned over stably and damaged. This meets the processing requirements of woven bags of different specifications.

CN223421965UActive Publication Date: 2025-10-10GUILIN HONGYA COLOR PRINTING & PACKAGING CO LTD
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Patent Information

Application Number
CN202422838183.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-10-10
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

The existing double-sided printing device for woven bags lacks left and right guide devices during the turning process, which causes the woven bags to easily deviate, resulting in the conveying device being stuck or the woven bags being damaged.

Method used

A double-sided printing and turning device for woven bags was designed. It adopts bidirectional threaded rods, guide frames, turntables and other structures to prevent the woven bags from shifting when turning over through regularization and positioning, and adjusts the positioning of woven bags of different specifications through insertion rods, pull plates and other structures.

Benefits of technology

It effectively prevents the woven bags from shifting during the turning process, avoids getting stuck or damaged, adapts to the turning requirements of woven bags of different specifications, and improves the applicability and reliability of the turning device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of woven bag printing, and discloses a woven bag double-face printing turn-over device which comprises a machine frame, the outer wall of one side of the machine frame is rotationally connected with a turn-over roller through a bearing, the outer wall of one side of the machine frame is fixedly connected with a feeding conveying belt, and an adjusting mechanism is arranged on the machine frame. The adjusting mechanism is used for auxiliary positioning before a woven bag is turned over, an auxiliary mechanism is arranged on the adjusting mechanism, the auxiliary mechanism is used for adjusting and fixing according to the specification of the woven bag, the adjusting mechanism comprises a mounting frame, and the mounting frame is clamped to the inner wall of the side face of the rack; the inner wall of the side face of the mounting frame is rotationally connected with a two-way threaded rod through a bearing, and the two-way threaded rod is in threaded connection with a flow guide frame. According to the utility model, the bidirectional threaded rod, the flow guide frame and other structures are arranged, so that the problem that the woven bag and the conveying device are clamped or the woven bag is damaged due to the fact that the woven bag is easy to deviate when being conveyed and turned over is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of woven bag printing, in particular to a double-sided printing and turning device for woven bags. Background Art

[0002] Woven bags, also known as snakeskin bags, are generally made of various chemical plastic raw materials such as polyethylene and polypropylene. They are a type of plastic bag and are mainly used for packaging. When they are printed, since most printing machines print on one side, a flipping device is required to flip the printed side of the woven bag.

[0003] After searching, Chinese patent announcement number: CN207416255U discloses a flipping device of a woven bag double-sided printing machine, including a fixed frame, a feed conveying device is installed on the upper end of the fixed frame, and a discharge conveying device is installed on the lower end of the fixed frame. The fixed frame is rotatably connected to a rotating shaft, and two flipping wheels are symmetrically sleeved on the rotating shaft, and the two flipping wheels are located between the feed conveying device and the discharge conveying device. Two connecting frames are symmetrically fixedly connected to the fixed frame, and a screw rod is inserted into the connecting frame. One end of the screw rod is fixedly connected to a rotary block, and the end of the screw rod away from the rotary block is rotatably connected to the fixed frame, and the end of the fixed frame away from the screw rod is symmetrically rotatably connected to the first flip block and the second flip block.

[0004] The above device has the following defects: although the woven bag is turned over and double-sided printed, no guiding device is installed on the left and right sides during the turning process, which causes the woven bag to easily deviate during transportation, causing the woven bag and the conveying device to get stuck or the woven bag to be damaged. Therefore, a woven bag double-sided printing and turning device is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a double-sided printing and turning device for woven bags, which aims to improve the problem in the prior art that no guide devices are installed on the left and right sides during the turning process, resulting in the woven bags being easily offset during transportation.

[0006] The cam is provided with a support frame, and the support frame is provided with an adjusting device, and the adjusting device is used for assisting in positioning the cam before turning the cam. The adjusting device is provided with an auxiliary mechanism, and the auxiliary mechanism is adjusted and fixed according to the specifications of the cam. The adjusting mechanism comprises a mounting bracket, the mounting bracket is clamped on the side inner wall of the mounting bracket and is rotatably connected to a bidirectional threaded rod through a bearing, the bidirectional threaded rod is threadedly connected to the guide rack, the bottom inner wall of the guide rack is rotatably connected to the adjusting roller through a bearing, one end of the bidirectional threaded rod is fixedly connected to the turntable, the bottom inner wall of the mounting bracket is slidably connected to the sliding bracket, the top outer wall of the sliding bracket is fixedly connected to a compression spring, and the bottom inner wall of the sliding bracket is rotatably connected to the anti-lifting roller

[0007] As a further description of the above technical solution: the auxiliary mechanism includes an insertion rod, which passes through the inner wall of the side of the turntable, and one end of the insertion rod is fixedly connected to the pull plate. An adjustment hole is provided on the outer wall of one side of the turntable, and an installation port is provided on the inner wall of the side of the frame, and T-shaped plates are clamped on the inner walls on both sides of the installation port.

[0008] As a further description of the above technical solution: there are two guide frames in total, and the two guide frames are symmetrical to each other. The bidirectional threaded rod passes through the inner wall of one side of the mounting frame and extends to the side outer wall of the mounting frame.

[0009] As a further description of the above technical solution: one end of the compression spring away from the sliding frame is fixedly connected to the top inner wall of the mounting frame, and the length of the anti-lifting roller is adapted to the width of the feeding conveyor belt.

[0010] As a further description of the above technical solution: a frosting pad is fixedly connected to the side outer wall of the turntable, and the anti-lifting roller is rollingly connected to the side outer wall of the feeding conveyor belt.

[0011] As a further description of the above technical solution: the insertion rod is slidably connected to the inner side wall of the adjustment hole, and the outer side wall of the pull plate is fixedly connected with a silicone pad.

[0012] As a further description of the above technical solution: the T-shaped plate is fixedly connected to the side outer wall of the mounting frame, there are several adjustment holes, and the inner diameters of the several adjustment holes are respectively adapted to the outer diameters of the insertion rods.

[0013] As a further description of the above technical solution: the flipping roller is fixedly connected to the output end of the frame through a coupling, the side outer wall of the flipping roller is slidably connected to a flipping arc ring, the flipping arc ring is fixedly connected to one side outer wall of the frame, and one side outer wall of the frame is fixedly connected to a unloading conveyor belt.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, by providing a bidirectional threaded rod, a guide frame, a turntable and other structures, the woven belt is regularly centered when it is turned over, and the woven belt is pressed to prevent wrinkles when it is turned over, thereby improving the problem that the woven bag is easily offset when it is turned over during transportation, causing the woven bag to get stuck with the conveying device or the woven bag to be damaged.

[0016] 2. In the utility model, by setting structures such as insertion rods, pull plates, and adjustment holes, when processing and turning over woven belts of different specifications, the contact turntable limits the adjustment of the distance between the two guide frames, and the strain is adjusted according to the conveying width of the woven belt, thereby improving the regular positioning of a single size. It is only applicable to woven bags of one specification. When smaller or larger woven belts are needed, it cannot play the role of regularization and centering, resulting in the woven bag being easy to deviate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall front view of a double-sided printing and turning device for woven bags proposed by the utility model;

[0018] Figure 2 This is a schematic side view of the overall structure of a double-sided printing and turning device for woven bags proposed by the present invention;

[0019] Figure 3 This is a schematic diagram of the adjustment mechanism of a double-sided printing and turning device for woven bags proposed in the utility model;

[0020] Figure 4 This is a schematic diagram of the auxiliary mechanism of the double-sided printing and turning device for woven bags proposed by the utility model.

[0021] Legend:

[0022] 1. Frame; 2. Flipping roller; 3. Flipping arc ring; 4. Loading conveyor belt; 5. Unloading conveyor belt; 6. Adjustment mechanism; 61. Mounting frame; 62. Bidirectional threaded rod; 63. Guide frame; 64. Adjustment roller; 65. Turntable; 66. Sliding frame; 67. Compression spring; 68. Anti-lift roller; 7. Auxiliary mechanism; 71. Insert rod; 72. Pull plate; 73. Adjustment hole; 74. Mounting port; 75. T-plate. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0024] With reference to Figures 1-3 The utility model provides an embodiment: a woven bag double -sided printing turnover device, including frame 1, one side outer wall of frame 1 is connected with turnover roll 2 through bearing rotation, one side outer wall of frame 1 is fixedly connected with feeding transport belt 4, be provided with adjusting mechanism 6 on frame 1, adjusting mechanism 6 is used for the auxiliary positioning before woven bag turnover, be provided with auxiliary mechanism 7 on adjusting mechanism 6, auxiliary mechanism 7 is used for adjusting fixed according to woven bag specification, adjusting mechanism 6 includes mounting bracket 61, mounting bracket 61 is clamped in the side inner wall of frame 1, the side inner wall of mounting bracket 61 is connected with two -way threaded rod 62 through bearing rotation, by setting two -way threaded rod 62 and drive two flow guide frame 63 to spread out and tighten adjustment when rotating, suitable for different woven bag specification, two -way threaded rod 62 is connected with flow guide frame 63 on screw thread, by setting flow guide frame 63 is oriented positioning to woven belt, the bottom inner wall of flow guide frame 63 is connected with adjusting roller 64 through bearing rotation, one end of two -way threaded rod 62 is fixedly connected with turntable 65, by setting turntable 65 adjusting two -way threaded rod 62 rotation direction, the bottom inner wall of mounting bracket 61 is connected with sliding bracket 66 slidingly, the top outer wall of sliding bracket 66 is fixedly connected with compression spring 67, the bottom inner wall of sliding bracket 66 is rotatably connected with anti -roll 68.

[0025] With reference to Figures 2-4 Flow guide frame 63 has two, two flow guide frames 63 are respectively symmetrical, two -way threaded rod 62 passes through the side inner wall of mounting bracket 61 and extends to the side outer wall of mounting bracket 61, the end away from sliding bracket 66 of compression spring 67 is fixedly connected in the top inner wall of mounting bracket 61, by setting compression spring 67 generates sustained thrust to sliding bracket 66, the length of anti -roll 68 is adapted to the width of feeding transport belt 4, by setting anti -roll 68 is pressed to woven belt, prevents woven belt from rising and affects turnover effect, the side outer wall of turntable 65 is fixedly connected with frosted pad, anti -roll 68 is rotatably connected in the side outer wall of feeding transport belt 4, turnover roll 2 is fixedly connected in the output end of frame 1 through coupling, the side outer wall of turnover roll 2 is connected with turnover arc ring 3 slidingly, by setting turnover roll 2 and turnover arc ring 3 cooperate each other, woven belt is turned over, turnover arc ring 3 is fixedly connected in one side outer wall of frame 1, one side outer wall of frame 1 is fixedly connected with lower discharge transport belt 5.

[0026] With reference to Figures 3-4When the locking cam 75 is in the closed position, the locking cam 73 is locked, and the locking cam 73 is locked, so the master lock 73 is locked.

[0027] Working principle: The braided belt is placed on the feeding conveyor belt 4 for moving processing. After the single-side processing is completed, the braided belt moves to the end of the feeding conveyor belt 4, and is attached and rolled by the adjusting roller 64 on the guide frame 63, so that the braided bag is moved to the center in a regular manner. Then the braided belt passes the bottom of the anti-lifting roller 68, so that the anti-lifting roller 68 is continuously pushed by the compression spring 67 of the sliding frame 66, and a certain pressure is applied to the braided belt to flatten it to prevent surface wrinkles. Then the braided belt enters the inside of the flip arc ring 3 under the rotation of the adjusting roller 64, and then the braided bag is woven. The belt is moved out from the top of the flipping arc ring 3 under the rotation of the adjusting roller 64, so that the woven belt is turned over and falls onto the unloading conveyor belt 5 for processing on the other side and subsequent unloading process. When processing different woven bags, the pull plate 72 is pulled to move the insertion rod 71, and the insertion rod 71 moves and separates from the adjustment hole 73. Then the turntable 65 is rotated to rotate the bidirectional threaded rod 62. The rotation of the bidirectional threaded rod 62 drives the two guide frames 63 to close or expand each other, and the width is adjusted according to the size of the woven belt to prevent deviation problems when the woven bag is turned over during processing.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A double-sided printing and turning device for woven bags, comprising a frame (1), characterized in that: The outer wall of one side of the frame (1) is rotatably connected to a turning roller (2) through a bearing, and the outer wall of one side of the frame (1) is fixedly connected to a feeding conveyor belt (4). The frame (1) is provided with an adjustment mechanism (6), and the adjustment mechanism (6) is used for auxiliary positioning before turning over the woven bag. The adjustment mechanism (6) is provided with an auxiliary mechanism (7), and the auxiliary mechanism (7) is used for adjusting and fixing according to the specifications of the woven bag. The adjustment mechanism (6) includes a mounting frame (61), and the mounting frame (61) is clamped on the inner wall of the side of the frame (1). The mounting frame (61) ) is rotatably connected to a bidirectional threaded rod (62) on the side inner wall through a bearing, a guide frame (63) is threadedly connected to the bidirectional threaded rod (62), an adjusting roller (64) is rotatably connected to the bottom inner wall of the guide frame (63) through a bearing, one end of the bidirectional threaded rod (62) is fixedly connected to a turntable (65), the bottom inner wall of the mounting frame (61) is slidably connected to a sliding frame (66), the top outer wall of the sliding frame (66) is fixedly connected to a compression spring (67), and the bottom inner wall of the sliding frame (66) is rotatably connected to an anti-lifting roller (68).

2. The double-sided printing and turning device for woven bags according to claim 1, characterized in that: The auxiliary mechanism (7) includes an insertion rod (71), the insertion rod (71) passes through the inner wall of the side of the turntable (65), one end of the insertion rod (71) is fixedly connected to the pull plate (72), an adjustment hole (73) is provided on the outer wall of one side of the turntable (65), and a mounting opening (74) is provided on the inner wall of the side of the frame (1), and T-shaped plates (75) are clamped on the inner walls on both sides of the mounting opening (74).

3. The double-sided printing and turning device for woven bags according to claim 1, characterized in that: There are two flow guide frames (63) in total, and the two flow guide frames (63) are symmetrical to each other. The bidirectional threaded rod (62) penetrates the inner wall of one side of the mounting frame (61) and extends to the outer wall of the side of the mounting frame (61).

4. The double-sided printing and turning device for woven bags according to claim 1, characterized in that: One end of the compression spring (67) away from the sliding frame (66) is fixedly connected to the top inner wall of the mounting frame (61), and the length of the anti-lifting roller (68) is adapted to the width of the feeding conveyor belt (4).

5. The double-sided printing and turning device for woven bags according to claim 1, characterized in that: The outer side wall of the turntable (65) is fixedly connected with a frosting pad, and the anti-lifting roller (68) is rollingly connected to the outer side wall of the feeding conveyor belt (4).

6. The double-sided printing and turning device for woven bags according to claim 2, characterized in that: The insertion rod (71) is slidably connected to the inner side wall of the adjustment hole (73), and the outer side wall of the pull plate (72) is fixedly connected with a silicone pad.

7. The double-sided printing and turning device for woven bags according to claim 2, characterized in that: The T-shaped plate (75) is fixedly connected to the side outer wall of the mounting frame (61). There are a plurality of adjustment holes (73), and the inner diameters of the plurality of adjustment holes (73) are respectively adapted to the outer diameters of the insertion rod (71).

8. The double-sided printing and turning device for woven bags according to claim 1, characterized in that: The flipping roller (2) is fixedly connected to the output end of the frame (1) via a coupling, the side outer wall of the flipping roller (2) is slidably connected to a flipping arc ring (3), the flipping arc ring (3) is fixedly connected to one side outer wall of the frame (1), and the one side outer wall of the frame (1) is fixedly connected to a material unloading conveyor belt (5).

Citation Information

Patent Citations

  • Turn -over device of braided bag double -sided printing machine

    CN207416255U